November 2007
Intermediate to advanced
736 pages
46h 32m
English
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WOOFERS
There are two types of low-frequency speaker, the commonly known woofer, and the more recent addition the subwoofer. The latter is used for the reproduction of frequencies below those produced by the woofer, and it is generally purchased as an add-on to an existing system.
The low-frequency speaker provides the bass of any hi-fi system. Its sole purpose is to reproduce the low-frequency notes of the program source. The prime requisite for low-frequency reproduction is a large diaphragm, the larger the better. The smallest diaphragm for any halfway decent woofer is 8 inches; for a subswoofer it is 12 inches. In addition to large size, the diaphragm must be of fairly heavy construction. Light diaphragms just can't hold up under the vibrations ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.